Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge carry a partial negative charge form covalent bonds in ice are not important for the properties of water carry a partial positive charge carry a partial negative charge form covalent bonds in ice are not important for the properties of water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule is asymmetric The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of double bonds number of neutrons gain electronegativity number of protons released number of double bonds number of neutrons gain electronegativity number of protons released ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by dielectric constant of the medium concentration of salt relative concentration of acids and bases environmental effect dielectric constant of the medium concentration of salt relative concentration of acids and bases environmental effect ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more carbon atoms hydrogen bonds hydrogen atoms covalent bonds carbon atoms hydrogen bonds hydrogen atoms covalent bonds ANSWER DOWNLOAD EXAMIANS APP
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